This TWiki is intended to collect my notes on how to get ATLAS software to run on the "Windows Subsystem For Linux" (WSL) within Windows 10.

Most of this is based on the surprisingly useful documentation as well as random snippets found in the depths of the internets.

As of June 2020, the 'May 2020 Update' (v2004) update of windows 10 replaced the old Linux subsystem (WSL) by a revised version (WSL2). The new version, unlike the first iteration, actually consists of a custom linux kernel running in a very lightweight HyperV VM. This allows things to work that did not work before - like fuse and, with it, CVMFS...

Now what can we do if we get CVMFS and a linux kernel within windows... let the mayhem begin!


You need
  • surprisingly, a computer running windows 10. Ideally with decent amounts of RAM and cores.
  • According to the FAQ, any edition of windows 10 should work.
  • You should have the 'May 2020' Windows 10 update installed. If you go to the settings app, "System --> Info" it should say "Version 2004" or higher. If Windows update doesn't offer you the update yet, you can force it via the updator tool download
  • You may need to enable the HyperV hypervisor

Getting started

This page illustrates how to get the WSL installed. We need WSL2, so in particular do not forget
wsl --set-default-version 2
like Max did first...

I suggest to not install a distribution from the Store, though I did get ATLAS to run also on the Ubuntu 18.04 offered in the store. The reason is that we can just as well get CentOS7, and avoid the hassle of running a singularity container within a virtual machine (centos inside ubuntu inside windows), in a horrible mixture of inception and various horror movies.

Installing a distribution - not from the store

What I ended up doing was to install a CentOS7 image directly, without the store,

-- MaximilianGoblirschKolb - 04 June 2020

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Topic revision: r1 - 2020-06-04 - MaximilianGoblirschKolb
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